Home / 112,807.59-155,680.70-62,505.51

Finding the Fourth Proportional to 112,807.59, 155,680.70 and 62,505.51

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Solution

The fourth proportional to 112,807.59, 155,680.70 and 62,505.51 is: 86,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,807.59 : 155,680.70 = 62,505.51 : x
  2. Step 2: Convert to fraction form
    112,807.59/155,680.70 = 62,505.51/x
  3. Step 3: Cross multiply
    112,807.59x = 155,680.70 × 62,505.51
  4. Step 4: Simplify right side
    112,807.59x = 9,730,901,238.13
  5. Step 5: Solve for x
    x = 9,730,901,238.13/112,807.59
  6. Step 6: Final answer
    x = 86,261.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.